<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style media="screen">
        ul.Sprites {
            margin: 0 auto;
            border: 1px solid #F00;
            width: 300px;
            padding: 10px;
        }

        ul.Sprites li {
            height: 24px;
            font-size: 14px;
            line-height: 24px;
            text-align: left;
            overflow: hidden;
            list-style-type: none;
        }

        ul.Sprites li span {
            float: left;
            width: 17px;
            padding-top: 5px;
            height: 17px;
            overflow: hidden;
            background: url(ico.png) no-repeat
        }

        ul.Sprites li a {
            padding-left: 5px
        }

        ul.Sprites li span.a1 {
            background-position: -62px -32px
        }

        ul.Sprites li span.a2 {
            background-position: -86px -32px
        }

        ul.Sprites li span.a3 {
            background-position: -110px -32px
        }

        ul.Sprites li span.a4 {
            background-position: -133px -32px
        }

        ul.Sprites li span.a5 {
            background-position: -158px -32px
        }
    </style>
</head>

<body>
    <ul class="Sprites">
        <li><span class="a1"></span><a href="#">WORD文章标题</a></li>
        <li><span class="a2"></span><a href="#">PPT内容标题</a></li>
        <li><span class="a3"></span><a href="#">Excel内容标题</a></li>
        <li><span class="a4"></span><a href="#">PDF内容标题</a></li>
        <li><span class="a5"></span><a href="#">文本文档标题</a></li>
    </ul>
</body>

</html>
